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The longest side in a right-angled triangle is 12cm. One of the shorter sides is 4 cm. Calculate the perimeter of the triangle

12² = 4² + x² [This is pythagoras' theorem (a² = b² + c²) ]
144 =16 + x ²
128 = x²
11...

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Which has a lower boiling point chlorine or bromine, and why?

Chlorine has a lower boiling point as it is smaller in size than bromine. Chlorine has fewer electrons than bromine and fewer electron shells so chlorine is smaller in atomic radius. Size affects the str...

Answered by Gleanneil Faith S. • Chemistry tutor

5358 Views

Express: (x^2 + 5x - 14) / (2x^2 - 4x) as a fraction in it's simplest form.

Answer: (x+7)/(2x)

Answered by • Maths tutor

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Listen to Dido's Lament: 'When I am laid in earth' - Purcell, whilst reading the score. List 5 musical and/or thematic reasons that shows this is an example of Baroque music ex

There is a chromatic descending ground bass ostinato played by a viol. This is archetypal of baroque recitativesThe continuo is written for a viol consort. Viols are the baroque predecessors to common vio...

Answered by Pete S. • Music tutor

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War is never right. Evaluate this statement.

Show arguments from both sides.Start off with own opinion and provide reasons as to why you feel that way. Then give a counterargument. Then give an opinion of a religious point of view e.g. Islam, Christ...

Answered by • Religious Studies tutor

5121 Views